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Supraventricular tachycardia

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https://www.readbyqxmd.com/read/28523857/arrhythmia-burden-and-related-outcomes-in-eisenmenger-syndrome
#1
Shankar Baskar, Philippa Horne, Samantha Fitzsimmons, Philip R Khoury, Joseph Vettukattill, Koichiro Niwa, Teiji Agaki, Mark Spence, Hisanori Sakazaki, Gruschen Veldtman
BACKGROUND: Patients with Eisenmenger syndrome have a shorter lifespan than the general population. A significant proportion develop arrhythmia and some, sudden death. OBJECTIVE: The aims of this study were to characterize the frequency, type and effects of arrhythmias in adult patients with Eisenmenger's syndrome and to identify risk factors for arrhythmias. METHODS: This retrospective study included patients aged ≥ 18 years of age with Eisenmenger's syndrome from three institutions...
May 19, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28521014/supraventricular-and-ventricular-tachycardias-risk-factors-drugs-and-ablation
#2
Thomas F Lüscher
No abstract text is available yet for this article.
May 1, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28512102/uncommon-presentation-of-adult-form-scimitar-syndrome-associated-with-single-left-pulmonary-vein-in-a-pregnant-woman
#3
Sarah Ali Althomali, Ashraf Ahmad Alhefny, Mohammad Salih Almalki
Scimitar syndrome is the constellation of malformations including an abnormal venous drainage of the right lung into the inferior vena cava, associated with the right lung and systemic supply to the right lung. The anomalous vein looks like the curved, Turkish sword (scimitar), hence the name.The adult form of scimitar syndrome is rare, and it is usually an incidental diagnosis based on the characteristic finding on radiological imaging since the patients are usually asymptomatic or with minimal symptoms.Our patient presented with a rare presentation of scimitar syndrome, which is tachyarrhythmia (sinus tachycardia, with episodes of supraventricular tachycardia)...
May 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28509894/swallowing-induced-supraventricular-tachyarrhythmia
#4
Umair Khalid, Ali Massumi, Aziz Shaibani
Swallowing-induced supraventricular tachyarrhythmia is an extremely rare entity with unclear pathophysiology. A 55-year-old man presented with a 2-year history of worsening presyncopal symptoms triggered only by drinking liquids of any temperature. Results of a physical examination were unremarkable except for reproducible atrial tachycardias to 180 to 210 beats/minute documented on rhythm strips when the patient was given water to drink. He underwent radiofrequency ablation with complete resolution of symptoms...
2017: Reviews in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28489678/safety-and-efficacy-of-the-antiganglioside-gd3-antibody-ecromeximab-kw2871-combined-with-high-dose-interferon-%C3%AE-2b-in-patients-with-metastatic-melanoma
#5
Ahmad A Tarhini, Stergios J Moschos, Yan Lin, Hui-Min Lin, Cindy Sander, Yan Yin, Ralph Venhaus, Thomas F Gajewski, John M Kirkwood
This study evaluated the safety and clinical benefit of ecromeximab (KW2871) combined with high-dose interferon-α2b (HDI) in patients with metastatic melanoma. We also carried out pharmacokinetic and immune monitoring studies of this combination. This was an open-label, phase 1/2 study of ecromeximab plus HDI in patients with measurable metastatic melanoma. Eligible patients received ecromeximab-HDI combination therapy: ecromeximab administered intravenously once every 2 weeks and HDI at a dose of 20 million units (MU)/m administered intravenously for 5 consecutive days per week for the first 4 weeks (induction phase) and then at 10 MU/m subcutaneously thrice weekly through week 14 (maintenance phase)...
April 7, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28473422/cardioversion-of-a-supraventricular-tachycardia-svt-in-a-7-year-old-using-a-postural-modification-of-the-valsalva-manoeuvre
#6
Edward John Morley-Smith, James Gagg, Andrew Appelboam
A boy aged 7 years presented with his parents to the emergency department (ED). He had a known diagnosis of paroxysmal supraventricular tachycardia (SVT) and was under the care of paediatricians. He had been suffering episodes of palpitations and chest pain for over a year and had been prescribed atenolol 25 mg ON, though the side effects meant he had not taken it for a month prior to presentation. He had 2 previous confirmed episodes of SVT, one that reverted with Valsalva manoeuvres, and the other with intravenous adenosine...
May 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28472270/regular-supraventricular-tachycardia-with-irregular-atrial-activations
#7
Takumi Yamada, George Neal Kay
No abstract text is available yet for this article.
January 16, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28469725/asthma-like-attacks-terminated-by-slow-pathway-ablation
#8
Selcuk Ozturk, Hasan Turhan, Ertan Yetkin
Asthma is a chronic airway disease in which the pathological mechanisms are reversible airway obstruction, bronchial hyper reactivity, and constriction of the lower airways. Supraventricular tachycardia (SVT) is a common arrhythmia which originates above the bundle of His and causing heart rates exceeding 150 beats/min. SVT patients present with palpitation, chest pain, chest discomfort, dyspnea, hyperventilation, and lightheadedness, occasionally. Besides, extraordinary presentations of SVT are available in literature...
April 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28467014/the-exception-to-marriot-s-sign
#9
Vivek Reddy, Shanker Kundumadam, Pradeep Kathi, Kunwardeep Dhillon, Hibah Ismail, Gautam Anem
Differentiation of a wide complex arrhythmia can pose as a clinical challenge in the acute care setting. Two broad differentials exist including ventricular tachycardia versus supraventricular tachycardia with aberrancy, underlying bundle branch block or intrinsic conduction defect. To aid in distinguishing between supraventricular tachycardia and ventricular tachycardia, Brugada criteria is commonly used, albeit new algorithms have become more common. Marriott's sign, a taller peak in the first R wave when compared to R' is considered a specific criterion for distinguishing between these two entities and strongly favors the diagnosis of ventricular tachycardia...
May 3, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28461795/prolonged-sinus-pauses-upon-termination-of-paroxysmal-atrial-fibrillation-abnormal-right-atrial-electrophysiologic-and-electroanatomic-findings
#10
Zhengyu Bao, Hongwu Chen, Bing Yang, Michael Shehata, Weizhu Ju, Fengxiang Zhang, Gang Yang, Kai Gu, Mingfang Li, Kejiang Cao, Xunzhang Wang, Minglong Chen
The efficacy of pulmonary vein antral isolation for patients with prolonged sinus pauses (PSP) on termination of atrial fibrillation has been reported. We studied the right atrial (RA) electrophysiologic and electroanatomic characteristics in such patients. Forty patients underwent electroanatomic mapping of the RA: 13 had PSP (group A), 13 had no PSP (group B), and 14 had paroxysmal supraventricular tachycardia (control group C). Group A had longer P-wave durations in lead II than did groups B and C (115.5 ± 15...
April 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28460772/profiling-cardiac-arrhythmia-and-heart-failure-patients-in-india-the-pan-arrhythmia-and-heart-failure-observational-study
#11
Amit Vora, Ajay Naik, Yash Lokhandwala, Arun Chopra, Jagmohan Varma, G S Wander, Aparna Jaswal, V Srikanthan, Balbir Singh, Dhiman Kahali, Anoop Gupta, R R Mantri, Anil Mishra, Ulhas Pandurangi, Debashis Ghosh, Jitendra Singh Makkar, Sujaayaa Sahu, Rajesh Radhakrishnan
BACKGROUND: The PANARrhythMia and Heart Failure Registry (PANARM HF) characterized demographic, clinical and interventional therapy indication profiles of cardiac arrhythmia (CA) and heart failure (HF) patients in India. METHODS: Consulting Physicians (CP) who medically manage CA and HF patients enrolled patients with one or more of the following: syncope, pre-syncope, dyspnea, palpitation, fatigue and LV dysfunction. The CPs were trained by interventional cardiologists (IC) to identify CA/HF patients indicated for implantable device/radiofrequency ablation (RFA)...
March 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28457235/supraventricular-tachycardia-in-adult-congenital-heart-disease-mechanisms-diagnosis-and-clinical-aspects
#12
REVIEW
Christopher M Janson, Maully J Shah
Supraventricular arrhythmias represent a major source of morbidity in adults with congenital heart disease (ACHD). Anatomic variants and post-operative changes contribute to a unique electrophysiologic milieu ripe for the development of supraventricular tachycardia. Intra-atrial reentrant tachycardia is the most prevalent mechanism. Atrioventricular reciprocating tachycardia is common in lesions associated with accessory pathways. Abnormal anatomy complicates the management of atrioventricular nodal reentrant tachycardia...
June 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28450351/prospective-study-of-adenosine-on-atrioventricular-nodal-conduction-in-pediatric-and-young-adult-patients-after-heart-transplant
#13
Jonathan N Flyer, Warren A Zuckerman, Marc E Richmond, Brett R Anderson, Tamar G Mendelsberg, Jennie M McAllister, Leonardo Liberman, Linda J Addonizio, Eric S Silver
Background -Supraventricular tachycardia (SVT) is common after heart transplant. Adenosine, the standard therapy for treating SVT in children and adults without transplant, is relatively contraindicated post-transplant due to a presumed risk of prolonged atrioventricular (AV) block in denervated hearts. This study tested whether adenosine caused prolonged asystole after transplant and if it was effective in blocking AV nodal conduction in these patients. Methods -This was a single center prospective clinical study including healthy heart transplant recipients ages 6 months - 25 years presenting for routine cardiac catheterization during 2015 - 2016...
April 27, 2017: Circulation
https://www.readbyqxmd.com/read/28449090/alcohol-consumption-sinus-tachycardia-and-cardiac-arrhythmias-at-the-munich-octoberfest-results-from-the-munich-beer-related-electrocardiogram-workup-study-munichbrew
#14
Stefan Brunner, Rebecca Herbel, Cathrine Drobesch, Annette Peters, Steffen Massberg, Stefan Kääb, Moritz F Sinner
Aims: Alcohol is a risk factor for cardiac arrhythmias. Retrospective analyses suggest supraventricular arrhythmias consecutive to acute alcohol consumption, but prospective data are limited. We intended to prospectively associate acute alcohol consumption with cardiac arrhythmias. Methods and results: At the 2015 Munich Octoberfest, we enrolled 3028 voluntary participants who received a smartphone-based ECG and breath alcohol concentration (BAC) measurements. ECGs were analysed for cardiac arrhythmias (sinus tachycardia, sinus arrhythmia, premature atrial/ventricular complexes, atrial fibrillation/flutter) and respiratory sinus arrhythmia...
April 25, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28441823/-evaluation-of-a-low-dose-imaging-protocol-on-radiation-exposure-reduction-in-pediatric-supraventricular-tachycardia-ablation-procedure
#15
F Wang, Y Lu, C Yuan, J R Bai, H S Yang, L Wu
Objective: To evaluate the feasibility and efficiency of a low dose imaging protocol on reducing X-ray dose level in pediatric supraventricular tachycardia (SVT) ablation procedure. Method: Data were collected from 103 patients who underwent catheter ablation for SVT in Children's Hospital of Fudan University from January 2014 to October 2016 in terms of body weight, body surface area (BSA), SVT types, accessory pathway location, fluoroscopy time and the radiation dose (including AIR KERMA and dose area product) in a case observational study...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28440361/the-role-of-echocardiography-in-fetal-tachyarrhythmia-diagnosis-a-burden-for-the-pediatric-cardiologist-and-a-review-of-the-literature
#16
Liliana Gozar, Claudiu Marginean, Rodica Toganel, Iolanda Muntean
Supraventricular tachyarrhythmia represents the most frequent fetal dysrhythmia. In the lack of diagnosis and treatment these fetuses may develop hydrops and even death. For the therapeutic approach it is important to establish the diagnosis of the type of supraventricular tachycardia. In this paper we report 29 cases with different types of supraventricular tachycardia in which the diagnosis was established using our own protocol, which allowed us to make the difference between the types of tachycardia (atrioventricular reentry tachycardia due to the accessory pathway, atrial ectopic tachycardia and permanent junctional reciprocal tachycardia)...
April 22, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28436586/transesophageal-and-invasive-electrophysiologic-evaluation-in-children-with-wolff-parkinson-white-pattern
#17
Serhat Koca, Feyza Aysenur Pac, Ahmet Vedat Kavurt, Serkan Cay, Ajda Mihcioglu, Dursun Aras, Serkan Topaloglu
BACKGROUND: Risk stratification for Wolff-Parkinson-White (WPW) pattern either by non-invasive or invasive tests is important to determine whether an ablation is necessary or not. The aim was to compare non-invasive tests and invasive studies in a pediatric WPW population. METHODS: A total of 71 WPW patients [median age 14 years (IQR 11 - 16 years); 43 male] underwent Holter monitoring, exercise stress test (EST), and transesophageal electrophysiological study (TEEPS)...
April 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28435092/-terpinen-4-ol-changes-intracellular-ca-2-handling-and-induces-pacing-disturbance-in-rat-hearts
#18
Antonio Nei Santana Gondim, Aline Lara, Artur Santos-Miranda, Danilo Roman-Campos, Sandra Lauton-Santos, José Evaldo Rodrigues Menezes-Filho, Carla Maria Lins de Vasconcelos, Eduardo Antonio Conde-Garcia, Silvia Guatimosim, Jader S Cruz
(-)-Terpinen-4-ol is a naturally occurring plant monoterpene and has been shown to have a plethora of biological activities. The objective of this study was to investigate the effects of (-)-terpinen-4-ol on the rat heart, a key player in the control and maintenance of arterial blood pressure. The effects of (-)-terpinen-4-ol on the rat heart were investigated using isolated left atrium isometric force measurements, in vivo electrocardiogram (ECG) recordings, patch clamp technique, and confocal microscopy. It was observed that (-)-terpinen-4-ol reduced contraction force in an isolated left atrium at millimolar concentrations...
April 20, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28434554/the-simulation-based-assessment-of-pediatric-rapid-response-teams
#19
James J Fehr, Mary E McBride, John R Boulet, David J Murray
OBJECTIVE: To create scenarios of simulated decompensating pediatric patients to train pediatric rapid response teams (RRTs) and to determine whether the scenario scores provide a valid assessment of RRT performance with the hypothesis that RRTs led by intensivists-in-training would be better prepared to manage the scenarios than teams led by nurse practitioners. STUDY DESIGN: A set of 10 simulated scenarios was designed for the training and assessment of pediatric RRTs...
April 20, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28431725/intraoperative-three-dimensional-mapping%C3%A2-of-supraventricular-tachycardia-in-a-young-fontan%C3%A2-patient
#20
James C Perry, Matthew R Williams, Suzanne Shepard, Andras Bratincsak, Cynthia Murphy, Raghav Murthy, Mohammad Ebrahim, John J Lamberti
Preoperative tachycardia is uncommon before an initial Fontan procedure. Catheter intervention can risk complications in small patients. A patient with fetal tachycardia and double inlet left ventricle underwent Norwood and bidirectional Glenn procedures. She had persistent tachycardia. A three-dimensional electroanatomic mapping system was modified for the operative procedure; it was used to identify the arrhythmia substrate and cryoablate an atrioventricular nodal tachycardia. Mapping added 20 minutes to the operation...
May 2017: Annals of Thoracic Surgery
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